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The Kansas-Nebraska Act of the U.S. Congress said voters in these territories to choose whether they would allow slavery or not. Thousands of antislavery northerners went into Kansas and voted to forbid slavery, then returned home.
It would allow slavery to spread north of the line established by the Missouri compromise. - Novanet
I think Slavery should be banned for life, its so wrong to treat someone diffrently because of their race!
They were afraid that the war would strengthen the US grip in slavery and ensure southern domination of the union.
The Wilmot Proviso
Northerners opposed the Fugitive Slacve law because they were against slavery, so they didn't want to help capture runaway slaves because they thought that if they had got away, then leave them alone. Besides it would make slavery worse in a way.
The northerners protests DouglasÕs plan to repeal the Missouri Compromise because it would have made slavery legal in the northern territories. The Missouri Compromise had outlawed slavery in territories and new states above the Missouri Compromise line.
if slavery was still legal today in the united states of America, i personally think the the whole nation would hate each other. the northerners would still be against slavery, and the southerners would still have plantations for slaves to work on. the nation would be in a major crisis if slavery was legal today.
Because it would abolish slavery in all of the new territories; territories that were acquired from the Mexican War
The reason the second federal fugitive slave law made northerners upset was because most northerners thought that slavery was immoral and that they would have to help capture the slaves or be finned is impeachment of there rights.
Because it was the mainstay of the cotton industry - America's biggest export. But Northerners were not keen to see any extension of slavery, because that would reduce the Northern majority in Congress, and their power to levy protective tarrifs on imported goods which the South needed most, having no industry of their own. Naturally there were many Northerners who were Abolitionists, but they were more vocal than numerous.